Real Estate & Construction in Spain

Spain's real estate and construction sector operates under a layered legal framework that combines national legislation, autonomous community regulations and municipal planning rules. International buyers and developers who treat Spain as a straightforward market frequently encounter permit delays, zoning reclassifications and title defects that erode project economics. This guide covers the full cycle - from due diligence and land acquisition to construction licensing, handover and dispute resolution - so that business clients can identify risks before they materialise and structure transactions with legal certainty.

Spain's property law rests on three principal pillars. The first is the Ley Hipotecaria (Mortgage Law), which governs the land registry system and the principle of public faith: a buyer who relies on the registry in good faith acquires clean title even if the seller's underlying right was defective. The second is the Código Civil (Civil Code), which regulates purchase contracts, obligations and liability between private parties. The third is the Ley del Suelo y Rehabilitación Urbana (Land and Urban Rehabilitation Law), Royal Legislative Decree 7/2015, which sets the national framework for land classification, valuation and expropriation.

Layered on top of these national rules are the leyes urbanísticas (urban planning laws) of each of Spain's 17 autonomous communities. Catalonia, Madrid, Andalusia, Valencia and the Basque Country each maintain their own planning codes, and the differences are material. What constitutes buildable land in one region may be protected rural land in another. International clients often underestimate this fragmentation and assume that a legal opinion valid in Madrid applies equally to a project in Málaga or Barcelona.

Municipal governments add a third layer through their Plan General de Ordenación Urbana (PGOU, General Urban Development Plan). The PGOU defines land use categories, building heights, floor-area ratios and setback requirements for every parcel within a municipality. Any construction or change of use that deviates from the PGOU requires a variance or plan amendment, a process that can take years and carries no guarantee of approval.

The Registro de la Propiedad (Land Registry) and the Catastro (Cadastral Registry) are two separate databases that frequently contain inconsistent information about boundaries, surface areas and ownership. A common mistake among international buyers is to rely on cadastral data for due diligence. The cadastral record is primarily a fiscal tool; only the Land Registry entry carries legal presumption of accuracy for ownership and encumbrances.

A Spanish property transaction typically moves through three contractual stages before completion. The first is the contrato de arras (deposit agreement), governed by Article 1454 of the Civil Code. Under a penitential arras clause, the buyer forfeits the deposit if they withdraw; the seller must return double the deposit if they withdraw. Arras agreements are binding immediately on signature, so legal review must occur before - not after - signing.

The second stage is the contrato privado de compraventa (private purchase contract), which sets out price, conditions precedent and a completion timeline. This contract is enforceable between the parties but does not transfer title or create third-party effect. The third and final stage is the escritura pública (public deed) executed before a notario (notary public) and subsequently registered in the Land Registry. Title passes legally only on registration, not on signing the private contract.

Due diligence for a commercial property or development site must cover at minimum:

• A nota simple (Land Registry extract) confirming ownership, encumbrances and any annotations of pending litigation.
• A certificado urbanístico (urban planning certificate) from the municipality confirming the land's classification and permitted uses.
• Verification that the physical boundaries in the registry match the cadastral plan and the actual site.
• Review of any community of owners (comunidad de propietarios) statutes and outstanding debts, which under Article 9 of the Ley de Propiedad Horizontal (Horizontal Property Law) attach to the property, not the seller.
• Confirmation that all prior construction on the site holds a licencia de primera ocupación (first occupation licence) or its equivalent, the certificado de conformidad de obra.

A non-obvious risk is the figura de la anotación preventiva de embargo (preventive annotation of attachment). A creditor can register a precautionary attachment against a property within days of filing a court claim. If this annotation appears between the date of the private contract and the date of registration of the buyer's deed, it takes priority over the buyer's unregistered right. Completing the transaction and registering the deed as quickly as possible after signing the private contract is therefore a practical imperative, not a formality.

To receive a checklist for property due diligence in Spain, send a request to info@vlo.com.

Construction in Spain requires a licencia de obras (building permit) issued by the municipality. For major works - new buildings, structural alterations, changes of use - the applicant must submit a proyecto básico y de ejecución (basic and execution project) prepared by a licensed arquitecto (architect) and, for structural and installation work, an aparejador or arquitecto técnico (technical architect/building surveyor). The municipality has a statutory period, typically 30 to 90 days depending on the autonomous community, to resolve the application. Silence beyond this period is generally treated as administrative silence negativa (negative administrative silence) for new construction, meaning the permit is not deemed granted.

Once construction is complete, the developer must obtain a certificado final de obra (certificate of completion) signed by the project architect and technical architect, and then apply for the licencia de primera ocupación or the declaración responsable de primera ocupación (responsible declaration of first occupation), a simplified self-certification mechanism introduced in many communities to reduce bureaucratic delay. Without this document, the property cannot be connected to utilities and cannot be registered as a completed building.

The Ley de Ordenación de la Edificación (Building Regulation Law), Law 38/1999, establishes a mandatory liability regime for construction defects. Article 17 imposes:

• A 10-year liability period for structural defects that compromise the building's stability or safety.
• A 3-year period for defects affecting habitability, such as waterproofing failures or inadequate insulation.
• A 1-year period for finishing defects, such as defective tiling or joinery.

These periods run from the date of the certificado final de obra, not from handover to the buyer. Developers must take out a seguro decenal (10-year structural insurance policy) before construction begins on residential buildings. Failure to do so blocks registration of the completed building and exposes the developer to personal liability.

In practice, it is important to consider that autonomous communities have introduced additional environmental and heritage requirements that can halt a project mid-construction. Andalusia, for example, requires an informe de impacto ambiental (environmental impact report) for projects above certain thresholds, and the Balearic Islands impose strict limits on new tourist accommodation construction. Developers who begin site preparation without confirming all parallel permits risk stop-work orders and administrative fines that can reach hundreds of thousands of euros for serious infractions.

A common mistake is to treat the building permit as the only authorisation needed. In reality, a project may also require a licencia de actividad (activity licence) for commercial uses, a licencia de apertura (opening licence), approvals from water authorities for connections to public networks, and - for coastal sites - a concesión or autorización from the Demarcación de Costas (Coastal Authority) under the Ley de Costas (Coastal Law), Law 22/1988.

Spanish land law classifies all territory into three broad categories under Royal Legislative Decree 7/2015. Suelo urbano (urban land) is already integrated into the urban fabric with services and infrastructure. Suelo urbanizable (developable land) is designated for future urban development in the municipal plan. Suelo no urbanizable (non-developable land) is protected from development, either because of agricultural, environmental or landscape value, or because it has not yet been classified for development.

Reclassification of land from non-developable to developable - or the reverse - is one of the most commercially significant events in Spanish real estate. Municipalities amend their PGOUs periodically, and autonomous communities can impose reclassifications through regional planning instruments. A developer who acquires land on the assumption that it will be reclassified for residential use bears the full risk if the reclassification does not materialise. Spanish courts have consistently held that administrative promises or informal assurances from municipal officials do not create enforceable rights to reclassification.

When a municipality approves a new urban development sector, it typically does so through a Plan Parcial (Partial Plan) that defines the layout of streets, green spaces and buildable plots. Landowners within the sector participate in a sistema de actuación (development system) - either compensación (compensation, where owners pool land and develop jointly), cooperación (cooperation, where the municipality manages infrastructure and charges owners) or expropiación (expropriation, where the municipality acquires land compulsorily). Each system carries different financial obligations and timelines, and the choice is not always left to the landowner.

Disputes over zoning decisions are heard by the Tribunales Contencioso-Administrativos (Administrative Courts). The deadline to challenge a planning decision is generally two months from notification of the individual act, or two months from publication of a regulatory instrument in the official gazette. Missing this deadline is fatal: Spanish administrative procedural law does not allow late challenges to planning decisions on substantive grounds once the limitation period has expired.

To receive a checklist for challenging zoning decisions and planning permits in Spain, send a request to info@vlo.com.

Three practical scenarios illustrate the range of disputes:

• A foreign investment fund acquires a large rural estate in Extremadura on the basis of a developer's representation that the land is urbanizable. After acquisition, the autonomous community approves a new regional plan that reclassifies the land as protected agricultural land. The fund's recourse lies in a claim against the seller for misrepresentation under Article 1265 of the Civil Code, combined with a contencioso-administrativo challenge to the reclassification if procedural grounds exist.

• A hotel developer in the Canary Islands obtains a building permit and begins construction. A neighbouring landowner files an administrative appeal (recurso de alzada) and then a judicial review claim, obtaining a precautionary suspension of the permit from the court. Construction halts for 18 to 24 months while the litigation runs. The developer's loss is not only the cost of delay but also the risk that the court confirms the permit was unlawfully granted.

• A residential developer in Valencia completes a 200-unit project and sells units off-plan. Buyers take possession and begin to discover waterproofing defects in underground parking structures. The developer, the architect and the technical architect are jointly and severally liable under Article 17 of Law 38/1999. Buyers can pursue all three parties simultaneously, and the seguro decenal insurer steps in for structural claims.

International investors acquiring income-producing commercial property in Spain face a structural choice between an asset deal (direct acquisition of the property) and a share deal (acquisition of the shares of the Spanish company that owns the property). The tax and legal consequences differ substantially.

In an asset deal, the buyer pays Impuesto sobre Transmisiones Patrimoniales (ITP, Property Transfer Tax) at rates that vary by autonomous community, typically between 6% and 10% of the purchase price for second-hand property, or Impuesto sobre el Valor Añadido (IVA, VAT) at 21% for new commercial property. The buyer acquires the asset free of the seller's corporate liabilities. In a share deal, the buyer acquires the company with all its historical liabilities - tax, labour, environmental and contractual. Spanish tax authorities have anti-avoidance rules under Article 314 of the Ley del Mercado de Valores (Securities Market Law) that can recharacterise a share deal as an asset deal for ITP purposes if the primary purpose of the transaction is to avoid property transfer tax.

Commercial leases in Spain are governed primarily by the Ley de Arrendamientos Urbanos (Urban Tenancy Law), Law 29/1994, as amended, for urban premises, and by the Código Civil for rural leases. Commercial tenants have no statutory right of renewal under current law, but lease agreements frequently include contractual renewal options. Rent review mechanisms, break clauses and reinstatement obligations at lease end are negotiated points that require careful drafting, as Spanish courts interpret ambiguous lease terms strictly against the party who drafted the contract.

A non-obvious risk in commercial leases is the derecho de adquisición preferente (right of first refusal). Under Article 25 of Law 29/1994, a commercial tenant has a statutory right of first refusal if the landlord sells the property during the lease term. Failure to notify the tenant of the sale terms before completing the transaction gives the tenant the right to rescind the sale and acquire the property at the same price. This right survives even if the lease agreement purports to waive it, unless the waiver is explicit and meets the statutory requirements.

Many underappreciate the significance of the Registro de la Propiedad for lease protection. A lease registered in the Land Registry binds subsequent buyers of the property. An unregistered lease does not bind a good-faith buyer who acquires the property without knowledge of the lease. For long-term commercial leases, registration is therefore a practical necessity, not an optional formality.

Property and construction disputes in Spain are resolved through several channels depending on the nature of the claim. Private law disputes - breach of purchase contract, construction defects, lease termination - fall within the jurisdiction of the Juzgados de Primera Instancia (Courts of First Instance) for claims up to a certain value, and the Juzgados de lo Mercantil (Commercial Courts) for insolvency-related property matters. Administrative disputes over permits, zoning and expropriation go to the Tribunales Contencioso-Administrativos.

The Ley de Enjuiciamiento Civil (Civil Procedure Law), Law 1/2000, governs civil litigation. The standard procedure (juicio ordinario) applies to claims above 6,000 euros and involves written pleadings, an audiencia previa (preliminary hearing) to fix the issues and a juicio (trial). Total duration from filing to first-instance judgment typically runs 18 to 36 months in major cities, longer in jurisdictions with heavier caseloads. Appeals to the Audiencia Provincial (Provincial Court of Appeal) add 12 to 24 months. A second appeal on points of law to the Tribunal Supremo (Supreme Court) is available only in limited circumstances.

Arbitration is increasingly used for high-value commercial property disputes. Spain is a signatory to the New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards, and the Ley de Arbitraje (Arbitration Law), Law 60/2003, provides a modern framework aligned with the UNCITRAL Model Law. Arbitration clauses in commercial property contracts and joint venture agreements are enforceable. The main arbitral institutions used for Spain-seated arbitrations are the Corte de Arbitraje de Madrid (Madrid Court of Arbitration) and the Cámara de Comercio de Barcelona (Barcelona Chamber of Commerce Arbitration Court), as well as international institutions such as the ICC.

Precautionary measures - injunctions, attachments and prohibitions on disposal - are available in both litigation and arbitration. Under Articles 721 to 747 of the Civil Procedure Law, a claimant can apply for precautionary measures before or simultaneously with filing the main claim. The court must be satisfied that the claim is prima facie well-founded (fumus boni iuris) and that delay would cause irreparable harm (periculum in mora). A bond (caución) is typically required to compensate the defendant if the measures are later found to have been unjustified.

The risk of inaction is concrete: a creditor or competing claimant who registers an attachment or a lis pendens annotation in the Land Registry before the aggrieved party files its claim can acquire priority that is very difficult to displace. Acting within days of discovering a dispute, rather than weeks, is frequently the difference between preserving and losing a legal position.

Enforcement of foreign judgments and arbitral awards against Spanish property assets follows different paths. Foreign arbitral awards are enforced through the exequátur procedure before the Tribunal Supremo, which applies the New York Convention. Foreign court judgments require recognition under EU Regulation 1215/2012 (Brussels I Recast) for EU judgments, or through bilateral treaties and common law reciprocity principles for non-EU judgments. Once recognised, enforcement proceeds through the standard Spanish execution procedure, which allows attachment and forced sale of real property.

We can help build a strategy for dispute resolution or enforcement in Spain. Contact info@vlo.com.

What are the main legal risks when buying off-plan property in Spain?

Off-plan buyers in Spain face three principal risks. First, the developer may become insolvent before completion, leaving buyers with a contractual claim but no property. Spanish law requires developers to provide bank guarantees or insurance policies covering all stage payments for residential off-plan sales under Law 57/1968 and its successor provisions; buyers should verify that this protection is in place before making any payment. Second, the completed building may not match the approved project, requiring the buyer to pursue the developer for contractual breach or defects under the Building Regulation Law. Third, the licencia de primera ocupación may be delayed or refused if the construction deviates from the permit, preventing utility connections and registration. Buyers should include contractual conditions precedent tied to receipt of all occupation licences before final payment.

How long does a construction permit dispute typically take in Spain, and what does it cost?

An administrative challenge to a refused or suspended building permit proceeds first through an internal administrative appeal (recurso de alzada or recurso de reposición), which the authority must resolve within one to three months. If the administrative appeal fails, the claimant files a contencioso-administrativo claim before the Administrative Court, which typically takes 18 to 30 months to reach judgment at first instance. A further appeal to the Tribunal Superior de Justicia (High Court of Justice) of the autonomous community adds 12 to 24 months. Legal fees for this type of litigation usually start from the low thousands of euros for straightforward cases and rise substantially for complex planning disputes involving expert evidence and multiple hearings. The economic viability of the challenge depends heavily on the value of the development opportunity at stake.

When is arbitration preferable to litigation for a commercial property dispute in Spain?

Arbitration is preferable when the parties want confidentiality, when the dispute involves technical construction or valuation issues that benefit from a specialist arbitrator, or when one party is a non-Spanish entity that prefers a neutral forum. Arbitration is also faster than Spanish court litigation for high-value disputes: a well-managed ICC or Madrid Court of Arbitration proceeding can produce a final award in 12 to 18 months. The trade-off is cost - arbitration fees and arbitrator remuneration are typically higher than court fees for the same dispute value. For disputes below approximately 500,000 euros, the cost-benefit analysis often favours litigation. For disputes above that threshold, particularly those involving joint venture agreements or development contracts with international counterparties, arbitration generally offers better practical outcomes.

Spain's real estate and construction market offers genuine commercial opportunity, but the legal framework is more complex than it appears at first sight. Fragmented planning rules, a dual registry system, strict construction liability periods and layered administrative permit requirements create risks that materialise most acutely for buyers and developers who do not conduct structured legal due diligence before committing capital. Understanding the interaction between national law, autonomous community regulations and municipal planning instruments is the foundation of any sound property strategy in Spain.

To receive a checklist for structuring a real estate or construction project in Spain, send a request to info@vlo.com.

Our law firm Vetrov & Partners has experience supporting clients in Spain on real estate acquisition, construction licensing, zoning disputes and commercial property transactions. We can assist with due diligence, contract structuring, permit challenges and dispute resolution before Spanish courts and arbitral tribunals. To receive a consultation, contact: info@vlo.com.